Senior Internal Auditor
Metrolinx
Metrolinx is connecting communities across the Greater Golden Horseshoe. Metrolinx operates GO Transit and UP Express, as well as the PRESTO fare payment system. We are also building new and improved rapid transit, including GO Expansion, Light Rail Transit routes, and major expansions to Toronto’s subway system, to get people where they need to go, better, faster and easier. Metrolinx is an agency of the Government of Ontario.
At Metrolinx, equity, diversity and inclusion are essential to living our values of serving with passion, thinking forward and playing as a team.
The Audit Regulatory Compliance team is hiring for a Senior Internal Auditor – IT. The ideal candidate will bring previous experience or demonstrated potential in the design, performance, monitoring, and testing of controls, using analytics tools such as ACL, Power BI, Azure Data Factory, and Databricks.
What will I be doing?
The Internal Audit (IA) team, working in partnership with all Business Units, reviews, assesses and recommends process and control enhancements. Business Units remain responsible for designing and operating necessary controls to protect and enhance Metrolinx assets and reputation.
Participates in audits and projects that are primarily information system and control focused. Other work may include financial, operational, internal control, value for money, and complianceaudits and related risk assessments under the supervision of the Audit Manager.
Performs risk assessments for each assigned audit; develops process maps and documentation to support control gap analysis.
Designs and executes the test steps for each assigned audit under the supervision of the Manager.
Defines the business requirements to develop and maintain data-based analytics to test controls at the population level.
Performs audits in conformance with professional (IIA) and divisional standards and industry best practice, including working with co-sourced audit service providers and utilizing the IIA competency framework.
Leverages deep understanding and application of IT control and governance best practices to support their work, including ISACA IT governance, NIST cybersecurity and IIA GTAG frameworks.
Identifies and clearly defines audit issues and root causes; recommends improved internal controls and business processes;
Assists the Manager to maintain a database of management’s action plans; monitors action plans for timely implementation and considers the impact of significant subsequent operational changes.
Assists the Manager to maintain current information on the various sources of assurance across the organization (e.g., reviews, audits, evaluations, and assessments performed, conducted or procured by business areas or elsewhere in the organization); evaluates the extent to which reliance thereon can be placed.
Participates in overseeing audit compliance activities required by the Ministry of Transportation (MTO), the Office of the Auditor General of Ontario (OAGO), and other external audit functions, and assesses compliance with other regulatory bodies.
Participates in investigations and other special research or projects.
Assists the Manager to maintain a database of management’s action plans; monitors action plans for timely implementation, and considers the impact of significant subsequent operational changes.
Assists the Manager to maintain current information on the various sources of assurance across the organization (e.g., reviews, audits, evaluations, and assessments performed, conducted or procured by business areas or elsewhere in the organization); evaluates the extent to which reliance thereon can be placed.
Participates in overseeing audit compliance activities required by the Ministry of Transportation (MTO), the Office of the Auditor General of Ontario (OAGO), and other external audit functions, and assesses compliance with other regulatory bodies.
Participates in investigations and other special research or projects.
Reference: WJ-5769_94724 · Posted 14 Nov 2026, 12:12 PM